Earnings multiplier for remaining members of equity method investment.

No definition available.

Name:	finw_EarningsMultiplier
Namespace Prefix:	finw_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value of warrants issued per share.

+ References

No definition available.

+ Details

Name:	finw_FairValueOfWarrantsIssuedPerShare
Namespace Prefix:	finw_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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Namespace Prefix:	finw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Ownership percentage held by the other existing members of equity method investment.

+ References

No definition available.

+ Details

Name:	finw_OwnershipPercentageHeldByExistingMembersOfEquityMethodInvestment
Namespace Prefix:	finw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ References

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

+ Details

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 230
-SubTopic 10
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-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI http://asc.fasb.org/extlink&oid=123570139&loc=SL94080555-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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Investment in Business Funding Group, LLC (Details) $ / shares in Units, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2021 $ / shares	Mar. 31, 2020 $ / shares shares
Investment in Business Funding Group, LLC [Abstract]
Common stock, par value (in dollars per share)	$ 0.001			$ 0.001
Investment Business Funding Group, LLC [Member]
Investment in Business Funding Group, LLC [Abstract]
Membership interest	10.00%		10.00%
Aggregate value of shares exchanged (in shares) \| shares			950,784
Common stock, par value (in dollars per share)			$ 0.001
Fair value of shares exchanged \| $			$ 3.5
Membership interests held by other existing members			90.00%
Distributions received \| $	$ 0.1	$ 0.3
Warrants issued (in shares) \| shares					270,000
Warrants exercise price (in dollars per share)					$ 6.67
Fair value of warrants issued per share (in dollars per share)					$ 0.19
Investment Business Funding Group, LLC [Member] \| Minimum [Member]
Investment in Business Funding Group, LLC [Abstract]
Earnings multiplier					10
Investment Business Funding Group, LLC [Member] \| Maximum [Member]
Investment in Business Funding Group, LLC [Abstract]
Earnings multiplier					15
Investment Business Funding Group, LLC [Member] \| Class A Voting Units [Member]
Investment in Business Funding Group, LLC [Abstract]
Membership interest			4.96%
Investment Business Funding Group, LLC [Member] \| Class B Non-Voting Units [Member]
Investment in Business Funding Group, LLC [Abstract]
Membership interest			5.04%